curl --request POST \
  --url https://api.hotstuff.trade/exchange \
  --header 'Content-Type: application/json' \
  --data '
{
  "action": {
    "data": {
      "orders": [
        {
          "instrumentId": 1,
          "side": "b",
          "positionSide": "BOTH",
          "price": "92291",
          "size": "0.00597",
          "tif": "IOC",
          "ro": false,
          "po": false,
          "cloid": "9c29fda4-79b4-47da-a788-568703333134",
          "triggerPx": "",
          "isMarket": true,
          "tpsl": "",
          "grouping": ""
        }
      ],
      "expiresAfter": 1769690725903,
      "nonce": 1769687125903
    },
    "type": "placeOrder"
  },
  "signature": "0xe39195212e76aa39cb8d91ebbd0da51aa3c9f540c5a121f6ae57fd682458a44b...",
  "nonce": 1769687125903
}
'

import requests

url = "https://api.hotstuff.trade/exchange"

payload = {
    "action": {
        "data": {
            "orders": [
                {
                    "instrumentId": 1,
                    "side": "b",
                    "positionSide": "BOTH",
                    "price": "92291",
                    "size": "0.00597",
                    "tif": "IOC",
                    "ro": False,
                    "po": False,
                    "cloid": "9c29fda4-79b4-47da-a788-568703333134",
                    "triggerPx": "",
                    "isMarket": True,
                    "tpsl": "",
                    "grouping": ""
                }
            ],
            "expiresAfter": 1769690725903,
            "nonce": 1769687125903
        },
        "type": "placeOrder"
    },
    "signature": "0xe39195212e76aa39cb8d91ebbd0da51aa3c9f540c5a121f6ae57fd682458a44b...",
    "nonce": 1769687125903
}
headers = {"Content-Type": "application/json"}

response = requests.post(url, json=payload, headers=headers)

print(response.text)

const options = {
  method: 'POST',
  headers: {'Content-Type': 'application/json'},
  body: JSON.stringify({
    action: {
      data: {
        orders: [
          {
            instrumentId: 1,
            side: 'b',
            positionSide: 'BOTH',
            price: '92291',
            size: '0.00597',
            tif: 'IOC',
            ro: false,
            po: false,
            cloid: '9c29fda4-79b4-47da-a788-568703333134',
            triggerPx: '',
            isMarket: true,
            tpsl: '',
            grouping: ''
          }
        ],
        expiresAfter: 1769690725903,
        nonce: 1769687125903
      },
      type: 'placeOrder'
    },
    signature: '0xe39195212e76aa39cb8d91ebbd0da51aa3c9f540c5a121f6ae57fd682458a44b...',
    nonce: 1769687125903
  })
};

fetch('https://api.hotstuff.trade/exchange', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

<?php

$curl = curl_init();

curl_setopt_array($curl, [
  CURLOPT_URL => "https://api.hotstuff.trade/exchange",
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_ENCODING => "",
  CURLOPT_MAXREDIRS => 10,
  CURLOPT_TIMEOUT => 30,
  CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
  CURLOPT_CUSTOMREQUEST => "POST",
  CURLOPT_POSTFIELDS => json_encode([
    'action' => [
        'data' => [
                'orders' => [
                                [
                                                                'instrumentId' => 1,
                                                                'side' => 'b',
                                                                'positionSide' => 'BOTH',
                                                                'price' => '92291',
                                                                'size' => '0.00597',
                                                                'tif' => 'IOC',
                                                                'ro' => false,
                                                                'po' => false,
                                                                'cloid' => '9c29fda4-79b4-47da-a788-568703333134',
                                                                'triggerPx' => '',
                                                                'isMarket' => true,
                                                                'tpsl' => '',
                                                                'grouping' => ''
                                ]
                ],
                'expiresAfter' => 1769690725903,
                'nonce' => 1769687125903
        ],
        'type' => 'placeOrder'
    ],
    'signature' => '0xe39195212e76aa39cb8d91ebbd0da51aa3c9f540c5a121f6ae57fd682458a44b...',
    'nonce' => 1769687125903
  ]),
  CURLOPT_HTTPHEADER => [
    "Content-Type: application/json"
  ],
]);

$response = curl_exec($curl);
$err = curl_error($curl);

curl_close($curl);

if ($err) {
  echo "cURL Error #:" . $err;
} else {
  echo $response;
}

package main

import (
	"fmt"
	"strings"
	"net/http"
	"io"
)

func main() {

	url := "https://api.hotstuff.trade/exchange"

	payload := strings.NewReader("{\n  \"action\": {\n    \"data\": {\n      \"orders\": [\n        {\n          \"instrumentId\": 1,\n          \"side\": \"b\",\n          \"positionSide\": \"BOTH\",\n          \"price\": \"92291\",\n          \"size\": \"0.00597\",\n          \"tif\": \"IOC\",\n          \"ro\": false,\n          \"po\": false,\n          \"cloid\": \"9c29fda4-79b4-47da-a788-568703333134\",\n          \"triggerPx\": \"\",\n          \"isMarket\": true,\n          \"tpsl\": \"\",\n          \"grouping\": \"\"\n        }\n      ],\n      \"expiresAfter\": 1769690725903,\n      \"nonce\": 1769687125903\n    },\n    \"type\": \"placeOrder\"\n  },\n  \"signature\": \"0xe39195212e76aa39cb8d91ebbd0da51aa3c9f540c5a121f6ae57fd682458a44b...\",\n  \"nonce\": 1769687125903\n}")

	req, _ := http.NewRequest("POST", url, payload)

	req.Header.Add("Content-Type", "application/json")

	res, _ := http.DefaultClient.Do(req)

	defer res.Body.Close()
	body, _ := io.ReadAll(res.Body)

	fmt.Println(string(body))

}

HttpResponse<String> response = Unirest.post("https://api.hotstuff.trade/exchange")
  .header("Content-Type", "application/json")
  .body("{\n  \"action\": {\n    \"data\": {\n      \"orders\": [\n        {\n          \"instrumentId\": 1,\n          \"side\": \"b\",\n          \"positionSide\": \"BOTH\",\n          \"price\": \"92291\",\n          \"size\": \"0.00597\",\n          \"tif\": \"IOC\",\n          \"ro\": false,\n          \"po\": false,\n          \"cloid\": \"9c29fda4-79b4-47da-a788-568703333134\",\n          \"triggerPx\": \"\",\n          \"isMarket\": true,\n          \"tpsl\": \"\",\n          \"grouping\": \"\"\n        }\n      ],\n      \"expiresAfter\": 1769690725903,\n      \"nonce\": 1769687125903\n    },\n    \"type\": \"placeOrder\"\n  },\n  \"signature\": \"0xe39195212e76aa39cb8d91ebbd0da51aa3c9f540c5a121f6ae57fd682458a44b...\",\n  \"nonce\": 1769687125903\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://api.hotstuff.trade/exchange")

http = Net::HTTP.new(url.host, url.port)
http.use_ssl = true

request = Net::HTTP::Post.new(url)
request["Content-Type"] = 'application/json'
request.body = "{\n  \"action\": {\n    \"data\": {\n      \"orders\": [\n        {\n          \"instrumentId\": 1,\n          \"side\": \"b\",\n          \"positionSide\": \"BOTH\",\n          \"price\": \"92291\",\n          \"size\": \"0.00597\",\n          \"tif\": \"IOC\",\n          \"ro\": false,\n          \"po\": false,\n          \"cloid\": \"9c29fda4-79b4-47da-a788-568703333134\",\n          \"triggerPx\": \"\",\n          \"isMarket\": true,\n          \"tpsl\": \"\",\n          \"grouping\": \"\"\n        }\n      ],\n      \"expiresAfter\": 1769690725903,\n      \"nonce\": 1769687125903\n    },\n    \"type\": \"placeOrder\"\n  },\n  \"signature\": \"0xe39195212e76aa39cb8d91ebbd0da51aa3c9f540c5a121f6ae57fd682458a44b...\",\n  \"nonce\": 1769687125903\n}"

response = http.request(request)
puts response.read_body

{
  "tx_hash": "0x0651207eef3271391dba93b96bb7d961a6d7b490fdfe9ee7a22b8c5f842b5867",
  "tx_type": 1301,
  "error": "",
  "data": {
    "status": {
      "oid": 77738308
    }
  },
  "address": "0x9908658A316D743159F001026F1ef08aa8F0b55B"
}

{
  "error": "<string>"
}